Replacement Ball Set for Projectile Launcher, 3/4" Steel and Aluminum Item Type_Dissection Equipment Astronomical telescope with Ramsden eyepiece

Astronomical telescope with Ramsden eyepiece and cross-hairs

Crushing-jaw stainless steel bone cutter sections small bones during anatomy and comparative-specimen dissection work in a compact economy format

Single open-or-closed switch on a 4mm-terminal base

Flat head solid cone stopper in borosilicate glass features 24/29 cone for sealing ground joint vessels and chemistry apparatus

Pack of 10 natural bark cork stoppers in Size 13 measures 24mm in length for sealing laboratory vessels and chemistry apparatus

Replacement Ball Set for Projectile Launcher, 3/4" Steel and Aluminum Item Type_Dissection Equipment Astronomical telescope with Ramsden eyepieceReplaces the 0. 75 inch half drilled steel and aluminum balls for the PH0343 spring loaded projectile launcher, a two ball refill when originals are lost or worn.